/*
Copyleft (C) 2005 Hélio Perroni Filho
xperroni@yahoo.com
ICQ: 2490863

This file is part of ChatterBean.

ChatterBean is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

ChatterBean is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with ChatterBean (look at the Documents/ directory); if not, either write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA, or visit (http://www.gnu.org/licenses/gpl.txt).
*/

package bitoflife.chatterbean.aiml;

import bitoflife.chatterbean.Graphmaster;
import bitoflife.chatterbean.util.Searcher;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import java.io.InputStream;

public class AIMLParser {
  /*
  Attributes
  */

    private final Searcher searcher = new Searcher();
    private final AIMLHandler handler = new AIMLHandler();
    private SAXParser parser;

  /*
  Constructor
  */

    public AIMLParser() throws AIMLParserConfigurationException {
        try {
            parser = SAXParserFactory.newInstance().newSAXParser();
        } catch (Exception e) {
            throw new AIMLParserConfigurationException(e);
        }
    }

  /*
  Methods
  */

    public void parse(Graphmaster graphmaster, InputStream... sources) throws AIMLParserException {
        try {
            for (InputStream aiml : sources)
                parser.parse(aiml, handler);

            graphmaster.append(handler.unload());
        } catch (Exception e) {
            e.printStackTrace();
            throw new AIMLParserException(e);
        }
    }
}